Home / 2,181,259.80-3,273,384.60-761,315.87

Finding the Fourth Proportional to 2,181,259.80, 3,273,384.60 and 761,315.87

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Solution

The fourth proportional to 2,181,259.80, 3,273,384.60 and 761,315.87 is: 1,142,495.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,181,259.80 : 3,273,384.60 = 761,315.87 : x
  2. Step 2: Convert to fraction form
    2,181,259.80/3,273,384.60 = 761,315.87/x
  3. Step 3: Cross multiply
    2,181,259.80x = 3,273,384.60 × 761,315.87
  4. Step 4: Simplify right side
    2,181,259.80x = 2,492,079,652,777.06
  5. Step 5: Solve for x
    x = 2,492,079,652,777.06/2,181,259.80
  6. Step 6: Final answer
    x = 1,142,495.57

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.